Peng Wenqin, Xiao Hanning. Influence of Fluoride on the Crystallization of CaO-Al2O3-SiO2 Glass[J]. Development and Application of Materials, 2001, 16(1): 11-14. DOI: 10.19515/j.cnki.1003-1545.2001.01.003
Citation: Peng Wenqin, Xiao Hanning. Influence of Fluoride on the Crystallization of CaO-Al2O3-SiO2 Glass[J]. Development and Application of Materials, 2001, 16(1): 11-14. DOI: 10.19515/j.cnki.1003-1545.2001.01.003
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Influence of Fluoride on the Crystallization of CaO-Al2O3-SiO2 Glass

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  • Influence of nucleation agent F- on the crystallization of CaO-Al2O3-SiO2 glass was studied by using DTA, XRD and SEM. The results indicate that CaF2 can effectively prompt full crystallization. By means of suitable heat treatment, a white glass-ceramics can be obtained with the crystal grain size of 0.1~0.2μm. The major crystalline phases of the glass-ceramics are diopside (CaMg(SiO3)2) and wollastonite (β-CaSiO3). With the increase of CaF2 content, diopside increases and wollastonite decreases.
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